Home / 13,976.34-20,951.55-6,952.02

Finding the Fourth Proportional to 13,976.34, 20,951.55 and 6,952.02

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Solution

The fourth proportional to 13,976.34, 20,951.55 and 6,952.02 is: 10,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.34 : 20,951.55 = 6,952.02 : x
  2. Step 2: Convert to fraction form
    13,976.34/20,951.55 = 6,952.02/x
  3. Step 3: Cross multiply
    13,976.34x = 20,951.55 × 6,952.02
  4. Step 4: Simplify right side
    13,976.34x = 145,655,594.63
  5. Step 5: Solve for x
    x = 145,655,594.63/13,976.34
  6. Step 6: Final answer
    x = 10,421.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.